Telecnatron

radio, electronics, computing, telecnology.

rss icon
twitter icon

Donations

Donations are gratefully accepted and always go towards improving the site.

Latest Articles

thumbnail
2014-10-03 08:34:10
A utility to monitor a Sunny Boy 4000tl solar inverter via its Bluetooth interface. Uses a cheap tl-wr702n wireless router, but should work with any Linux system and with other Sunny Boy inverters.
2014-09-16 05:10:19
A quick-start guide to getting a cross compilation environment up and running on Ubuntu Linux.
thumbnail
2014-01-01 04:30:17
This replacement thermostat for an old refrigerator offers LCD display showing temperature in C or F, 0.5C accuracy and allows target temperature to be set percisely. Uses ATmega8 controller and DS18B20 1-wire sensor.
thumbnail
2013-12-14 22:43:46
Made by bending a coat hanger, this antenna is for 70cm and can be scaled for UHF CB. It works well, especially considering how quick and easy it is to make.
thumbnail
2013-12-03 02:24:40
An interactive map showing Australian amateur radio repeaters. Navigate as required and click on a repeater-site icon to display frequency, ctcss and other details and notes. Display all repeaters or select by band.
thumbnail
2013-11-28 06:02:27
The concepts behind direct digital synthesis (DDS) can be explained without the need for complex maths nor heavy-duty digital electronics theory. This tutorial describes how DDS works in simple and easy to understand terms.
thumbnail
2013-11-25 04:33:18
A minimalist DIY programming and development board for the ATtiny2313 AVR microcontroller. Made on a piece of matrix board using point-to-point wiring.
thumbnail
2013-11-17 17:16:08
A half-wave end-fed for 2m is built from PVC pipe and a couple of meters of RG58 coax. This easily reproducible design from VK2ZOI can be made quickly and performs well. The addition of some tinfoil and sticky tape turns this into a dual-band 70cm collinear.
thumbnail
2013-11-17 15:44:38
A self contained programming adapter for PRM80 series radios that is built into a DB9 to RJ45 convertor using a miniature MAX3232 module for level convertion. Power is obtained from the radio via the programming cable.
thumbnail
2013-11-12 15:19:41
A DIY build of VK2BTL's sensitive field strength meter circuit design, using parts from an old CB SWR meter. Ideal for testing antenna, radio control and handheld transmitters.
Copyright 2012 - 2014 Telecnatron CSS | Login | Privacy | Sitemap Web software by Stebbing Computing.